Finding the Fourth Proportional to 113,253.48, 156,307.86 and 65,535.84

Step by Step Solution

1. Step 1: Write the proportion equation
   113,253.48 : 156,307.86 = 65,535.84 : x
2. Step 2: Convert to fraction form
   113,253.48/156,307.86 = 65,535.84/x
3. Step 3: Cross multiply
   113,253.48x = 156,307.86 × 65,535.84
4. Step 4: Simplify right side
   113,253.48x = 10,243,766,903.70
5. Step 5: Solve for x
   x = 10,243,766,903.70/113,253.48
6. Step 6: Final answer
   x = 90,449.91